We found this circuit in an old American documentation. The circuit can be adapted for modern applications, since the integrated circuit used is uncommon nowadays.
This powerful amplifier with 2N3055 transistors at the output provides a few tens of watts rms on a...
With this circuit it is possible to receive and send audio signals simultaneously over the same...
This circuit generates 100 MHz signals from a 20 kHz crystal. The circuit is from an 80's...